<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background: #0c1022;
        }

        .box {
            position: relative;
            width: 300px;
            height: 400px;
            background: rgba(0, 0, 0, .75);
            border-radius: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
        }

        .box::after {
            content: "";
            position: absolute;
            width: 500px;
            height: 500px;
            background-image: conic-gradient(transparent, transparent, transparent, #eede7f);
            animation: animate 4s linear infinite;
            animation-delay: -2s;
        }

        .box::before {
            content: "";
            position: absolute;
            width: 500px;
            height: 500px;
            background-image: conic-gradient(transparent, transparent, transparent, #b094d9);
            animation: animate 4s linear infinite;
        }

        @keyframes animate {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        .box span {
            position: absolute;
            inset: 5px;
            border-radius: 16px;
            background: #0c1022;
            z-index: 1;
        }

        .box h2 {
            position: relative;
            z-index: 2;
            color: #fff;
            font-size: 10em;
        }
    </style>
</head>
<body>
<div class="box">
    <span></span>
    <h2>01</h2>
</div>
</body>
</html>
